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Under-provisioning on SSD vendors other than Intel - good idea?

post #1 of 3
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I have a Crucal M4 SSD I'd like to deploy into my server. In the interest of longevity, I'd like to adhere to the rule of thumb of underprovisioning it by ~25%. I know that the Intel SSD logic will perform garbage collection and all that good stuff with all available non-provisioned space, but what about other vendors? Will my Crucial drive perform in the same fashion?

Thanks!
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post #2 of 3
The M4 uses the Marvell 9128 controller, as with all drives you should aim to leave about 10% of space free for a swap area. 25% isn't necessary smile.gif
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post #3 of 3
Quote:
Originally Posted by moonslug View Post

I have a Crucal M4 SSD I'd like to deploy into my server. In the interest of longevity, I'd like to adhere to the rule of thumb of underprovisioning it by ~25%. I know that the Intel SSD logic will perform garbage collection and all that good stuff with all available non-provisioned space, but what about other vendors? Will my Crucial drive perform in the same fashion?

All SSDs benefit from overprovisioning. Don't ask my why they use that term, though. By default, there's already a 7% OP owing from gibibyte (GiB) to gigabyte (GB) conversions. There's no rule of thumb, really, but the generally recommended range is 10-25%. I usually stick to around 20% OP (inclusive of the 7-12% manufacturer OP).
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